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Posted to dev@flink.apache.org by "Fabian Hueske (JIRA)" <ji...@apache.org> on 2015/10/29 18:36:27 UTC
[jira] [Created] (FLINK-2943) Confusing Bytes/Records "read" and
"write" labels in WebUI job view
Fabian Hueske created FLINK-2943:
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Summary: Confusing Bytes/Records "read" and "write" labels in WebUI job view
Key: FLINK-2943
URL: https://issues.apache.org/jira/browse/FLINK-2943
Project: Flink
Issue Type: Improvement
Components: Webfrontend
Affects Versions: 0.10
Reporter: Fabian Hueske
Fix For: 0.10
The job detail view of the WebUI shows the amount of data and records received from and sent out by each individual operator. This information is very valuable, if correctly interpreted.
However, the table headings for the corresponding columns ("Bytes read", "Records read", "Bytes written", and "Records written") are confusing in my opinion because they do not indicate that only incoming and outgoing data is tracked and disk IO is not considered at all.
For example, the UI shows no "Bytes/Records read" and only "Bytes/Records written" for DataSources which I find counter-intuitive.
I propose to rename these labels to either "X received" and "X sent" or "X incoming" and "X outgoing" to make clear that this information only affects incoming and outgoing data.
Opinions?
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